4.5 Plus 21 Addition :

Number 1	Number 2	Answer
4.5	21	25.5

How to calculate 4.5 plus 21 ?

Let's break down the addition of 04.5 and 2100 step by step:

   04.5      <-- Start with the rightmost column
+  2100
---------

    Add the digits in the rightmost column:
        5 + 0 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   04.5
+  2100
---------
     5


    Add the digits in the rightmost column:
        4 + 1 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   04.5
+  2100
---------
     5.5


    Add the digits in the rightmost column:
        0 + 2 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   04.5
+  2100
---------
     25.5

    Continue to the left:
        There are no more columns to the left.

The final result is 25.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.6	23	27.6	4.6 plus 23
4.7	25	29.7	4.7 plus 25
4.8	34	38.8	4.8 plus 34
8	7.1	15.1	8 plus 7.1
9.2	0.7	9.9	9.2 plus 0.7
6.7	7.6	14.3	6.7 plus 7.6